Also known as Quebradillas Limestone
Where: Puerto Rico (18.5° N, 67.0° W: paleocoordinates 18.4° N, 65.9° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Aymamón Limestone Formation, Middle Miocene (16.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Aymamón Limestone (=Quebradillas Limestone of older works), which regionally overlie the Ponce chalky beds [subsequently referred to as Ponce Fm], and is laterally related to the Oak Grove Sands (Florida). AGE: Early-Middle Miocene based on macro- and microfaunal biostratigraphy in text. Here assigned to Middle Miocene based on more recent dating. STRATIGRAPHIC POSITION: List representative of formation
• formation-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collection methods: surface (in situ),
• COLLECTOR: Unknown. REPOSITORY: Unknown
Primary reference: H. E. Vokes and E. H. Vokes. 1968. Variation in the genus Orthaulax (Mollusca: Gastropoda). Tulane Studies in Geology and Paleontology 6(2):71-84 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 92452: authorized by Austin Hendy, entered by Austin Hendy on 13.11.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Murex (Murex) messorius" = Vokesimurex messorius1, "Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus1
"Murex (Murex) messorius" = Vokesimurex messorius1 Sowerby 1841 murex snail Murex (Chicoreus) brevifrons in Woodring (1959)
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus1 Guppy 1876 murex snail Murex (Chicoreus) brevifrons in Woodring (1959)
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"Crassispira (Hindsiclava) consors" = Hindsiclava consors2
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Orthaulax portoricoensis n. sp. Hubbard 1921 snail
Orthaulax aguadillensis Maury 1920 snail | |
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Bivalvia | |
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"Aequipecten canalis" = Mimachlamys canalis4
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